today we begin with global warming. president obama will address the united nations general assembly today where he'll talk up steps this nation has taken to strengthen its global ties. he will urge the partnership to work towards goals such as economic crisis and peace in the middle east. michelle franzen is live for us in new york. >> reporter: good morning, amara. certainly the president's speech will focus on what he talked about last year and rebuilding a lot of the international relations following the bush administration's foreign policy. but many of the same issues are still -- president is still facing with foreign policy agenda, including much in the middle east. of course, combat units in iraq left there at the end of awl august, but still, about 50,000 troops remain in iraq, training security forces there and in afghanistan, troops, of course, have been increased along with the attacks by insurgents.